28029705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 49189248

約数和(自身を除く): 21159543

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 257, 661, 771, 1285, 1983, 2827, 3305, 3855, 7271, 8481, 9915, 14135, 21813, 36355, 42405, 109065, 169877, 509631, 849385, 1868647, 2548155, 5605941, 9343235, 28029705]

約数ペア:

[(1, 28029705), (3, 9343235), (5, 5605941), (11, 2548155), (15, 1868647), (33, 849385), (55, 509631), (165, 169877), (257, 109065), (661, 42405), (771, 36355), (1285, 21813), (1983, 14135), (2827, 9915), (3305, 8481), (3855, 7271)]